public void LoadXML(string filePath)
{
CriterionList = new List <Criterion>();
AlternativeList = new List <Alternative>();
//load XML
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(filePath);
string nameAttributeId = "";
string descriptionAttributeId = "";
// iterate on its nodes
foreach (XmlNode xmlNode in xmlDoc.DocumentElement.ChildNodes)
{
// first group of nodes are attributes
// second - Electre meta data
// third - objects
if (xmlNode.Name == "ATTRIBUTES")
{
foreach (XmlNode attribute in xmlNode)
{
Criterion criterion = new Criterion()
{
ID = attribute.Attributes["AttrID"].Value
};
// two specific groups of nodes may appear in attributes - name and description
// we don't want to save it as criterion
bool saveCriterion = true;
foreach (XmlNode attributePart in attribute)
{
var value = attributePart.Attributes["Value"].Value;
switch (attributePart.Name)
{
case "NAME":
criterion.Name = value;
break;
case "DESCRIPTION":
criterion.Description = value;
break;
case "CRITERION":
criterion.CriterionDirection = value == "Cost" ? "c" : "g";
break;
case "ROLE":
if (value == "Name")
{
saveCriterion = false;
nameAttributeId = criterion.ID;
}
else if (value == "Description")
{
saveCriterion = false;
descriptionAttributeId = criterion.ID;
}
else
{
saveCriterion = true;
}
break;
case "TYPE":
break;
default:
Console.WriteLine("Improper XML structure");
return;
}
}
if (saveCriterion)
{
CriterionList.Add(criterion);
}
}
}
else if (xmlNode.Name == "OBJECTS")
{
foreach (XmlNode instance in xmlNode)
{
Alternative alternative = new Alternative();
Dictionary <string, float> criteriaValuesDictionary = new Dictionary <string, float>();
foreach (XmlNode instancePart in instance)
{
var value = instancePart.Attributes["Value"].Value;
var attributeID = instancePart.Attributes["AttrID"].Value;
if (attributeID == descriptionAttributeId)
{
alternative.Description = value;
}
else if (attributeID == nameAttributeId)
{
alternative.Name = value;
}
else
{
Criterion criterion = CriterionList.Find(element => element.ID == attributeID);
criteriaValuesDictionary.Add(criterion.Name, float.Parse(value, CultureInfo.InvariantCulture));
}
}
alternative.CriteriaValues = criteriaValuesDictionary;
AlternativeList.Add(alternative);
}
}
}
}
public void LoadUTX(string filePath)
{
CriterionList = new List <Criterion>();
AlternativeList = new List <Alternative>();
//load XML
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(@filePath);
string descriptionAttributeName = "";
// iterate on its nodes
foreach (XmlNode xmlNode in xmlDoc.DocumentElement.ChildNodes)
{
if (xmlNode.Name == "ATTRIBUTES")
{
foreach (XmlNode attribute in xmlNode)
{
Criterion criterion = new Criterion()
{
Name = attribute.Attributes["AttrID"].Value
};
bool saveCriterion = true;
foreach (XmlNode attributePart in attribute)
{
var value = attributePart.Attributes["Value"].Value;
switch (attributePart.Name)
{
case "DESCRIPTION":
criterion.Description = value;
break;
case "CRITERION":
criterion.CriterionDirection = value == "Cost" ? "c" : "g";
break;
case "ROLE":
if (value == "Description")
{
saveCriterion = false;
descriptionAttributeName = criterion.Name;
}
else
{
saveCriterion = true;
}
break;
case "TYPE":
break;
default:
Console.WriteLine("Improper XML structure");
return;
}
}
if (saveCriterion)
{
CriterionList.Add(criterion);
}
}
}
else if (xmlNode.Name == "OBJECTS")
{
foreach (XmlNode instance in xmlNode)
{
Alternative alternative = new Alternative()
{
Name = instance.Attributes["ObjID"].Value
};
Dictionary <string, float> criteriaValuesDictionary = new Dictionary <string, float>();
foreach (XmlNode instancePart in instance)
{
var value = instancePart.Attributes["Value"].Value;
var attributeName = instancePart.Attributes["AttrID"].Value;
if (attributeName == descriptionAttributeName)
{
alternative.Description = value;
}
else
{
Criterion criterion = CriterionList.Find(element => element.Name == attributeName);
criteriaValuesDictionary.Add(criterion.Name, float.Parse(value, CultureInfo.InvariantCulture));
}
}
alternative.CriteriaValues = criteriaValuesDictionary;
AlternativeList.Add(alternative);
}
}
}
}
